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Both apps are free, with every feature included.

Octal Beta

Octal File Manager for macOS.

Download Octal

Octal DriveBench Beta

Disk speed test and volume analyzer. More about DriveBench

Download DriveBench

Beta: Octal and DriveBench are in public beta. If something doesn't work the way you expect, please report it.

Installing

Both apps are signed with Apple's Developer ID and notarized by Apple.

Requirements

Staying up to date

Each app updates itself in place: when a new version is out, it offers to install it. Check any time with Check for Updates… in the app menu, or turn automatic checks off in Settings ▸ Updates.

Release notes

Octal File Manager

0.9.8 beta7 November 2026
  • Improved: More S.M.A.R.T. details
  • Improved: Open in DriveBench now brings the result across
Previous releases
0.9.7 beta7 November 2026
  • Improved: New search backend. Improves search performance from 7x - 53x
  • Improved: Live downloads now show pie chart, downloads from Safari/Firefox/Chrome appear in activity view
0.9.6 beta7 November 2026
  • Performance improvements
0.9.5 beta5 November 2026

Thanks to all the Beta testers for reporting issues.

  • Added: Ability to browse 7z, RAR, ISO, xar / cpio archives.
  • Added: Additional keyboard shortcuts for Desktop/Documents/Home etc.
  • Improved: Symlink / alias handling
  • Improved: Handling of read-only mounts
  • Improved: Copy/Paste behaviour on remote servers/archives
  • Improved: Pressing space on a file in S3/FTP/SFTP brings up the viewer since quick look isn’t available.
  • Fixed: Issues with shift select and drag select in Gallery view
  • Fixed: Custom tags / showing tags now on by default.
  • Fixed: Git untracked items shown as modified.
  • Fixed: content search could hang on special files like FIFOs.
  • Fixed: content search, improved unicode and fix issues with content search over SFTP.
  • Fixed: Directory watcher could leak a descriptor in certain situations.
  • Performance improvements and minor bug fixes

Stay tuned for next release which will add a bunch of useful features and improvements.

0.9.4 beta5 November 2026
  • Fixed: Drag item to sidebar now works as intended.
  • Added: Syntax highlighting for patch and diff files.
  • Fixed: Git blame view failed to appear in viewer.
  • Bug fixes.
0.9.3 beta4 November 2026
  • Dates read the way Finder shows them: “Today at 9:41 am”, “31 Jul 2022 at 12:00 am”. Prefer numbers? Turn on Settings ▸ Display ▸ Numeric dates.
  • Drive speed test graphs fit the length of the test.
  • Bug fixes and stability improvements.
0.9.2 beta3 November 2026
  • Performance improvements.
  • Bug fixes and stability improvements.
0.9.1 beta3 November 2026
  • Drive speed tests run in the Activity panel: right-click a volume and choose Test Drive Speed…. Share the results as an image, or open them in DriveBench.
  • DriveBench is now its own free download.
  • Settings ▸ Updates lets you turn automatic update checks off.
  • Git commit hashes are easier to read in light mode.
0.9.0 beta1 November 2026

The first public beta.

  • Everything is free: folder sync, batch rename, network connections, packet capture and S.M.A.R.T. disk health included.
  • DriveBench, the disk speed test, is built in.
  • Found a bug? Use Help ▸ Report a Problem… in the app.

Octal DriveBench

0.9.4 beta7 November 2026
  • Added: S.M.A.R.T. drive health in the sidebar, with export to a text file
  • Added: Custom report titles, which also appear on shared images
  • Improved: Results from Octal now open in DriveBench
  • Improved: Comparison colours
  • Improved: About panel with acknowledgements
Previous releases
0.9.3 beta5 November 2026
  • Fixed: Read-only runs now measure the drive. They could read from the cache instead, showing speeds several times too high.
0.9.2 beta4 November 2026
  • Graphs fit the length of the test, including very fast drives that finish in under a second.
  • Bug fixes and stability improvements.
0.9.1 beta3 November 2026
  • Performance improvements.
  • Bug fixes and stability improvements.
0.9.0 beta3 November 2026

The first release of DriveBench as its own app.

  • Sequential, random 4K and file-operation tests, measured past the drive's cache.
  • Every run is kept; compare two or more side by side.
  • Share a run as an image, with drive names kept private.
  • Found a bug? Use Help ▸ Report a Problem… in the app.